The self limiting effect of hydrogen cluster in gas jet under liquid nitrogen temperature

The self limiting effect of hydrogen cluster in gas jet under liquid nitrogen temperature

The generation of hydrogen clusters in gas jet is tested using the Rayleigh scattering method under liquid nitrogen temperature of 79 K. The self limiting effect of hydrogen cluster is studied and it is found that the cluster formation is greatly affected by the number of expanded molecules. The wel...

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Veröffentlicht in:Journal of applied physics 2010-09, Vol.108 (6), p.064327-064327-3
Hauptverfasser: Han, Jifeng, Yang, Chaowen, Miao, Jingwei, Fu, Pengtao, Luo, Xiaobing, Shi, Miangong
Format: Artikel
Sprache:eng
Schlagworte:
ATOMIC AND MOLECULAR PHYSICS
COHERENT SCATTERING
COLD TRAPS
ELECTROMAGNETIC RADIATION
ELECTRON TEMPERATURE
ELEMENTS
HYDROGEN
ION TEMPERATURE
MOLECULAR CLUSTERS
MOLECULES
NONMETALS
PLASMA JETS
RADIATIONS
RAYLEIGH SCATTERING
SCATTERING
TRAPS
VAPOR CONDENSERS
VISIBLE RADIATION
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Zusammenfassung:The generation of hydrogen clusters in gas jet is tested using the Rayleigh scattering method under liquid nitrogen temperature of 79 K. The self limiting effect of hydrogen cluster is studied and it is found that the cluster formation is greatly affected by the number of expanded molecules. The well designed liquid nitrogen cold trap ensured that the hydrogen cluster would keep maximum size for maximum 15 ms during one gas jet. The scattered light intensity exhibits a power scaling on the backing pressure ranging from 5 to 48 bar with the power value of 4.1.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.3478745